Home Depot's sales improved during its fiscal second quarter as consumers remained focused on smaller projects amid cost concerns and economic uncertainty, but its performance missed Wall Street's expectations.

Revenue for the three months ended August 3 climbed to $45.28 billion from $43.18 billion, but fell short of the $45.41 billion that analysts polled by FactSet were looking for.

Sales at stores open at least a year, a key indicator of a retailer’s health, rose 1%. In the U.S., comparable store sales increased 1.4%.

Home Depot's stock surged more than 4% in Tuesday morning trading.

Neil Saunders, managing director of GlobalData, said that Home Depot saw consumers concentrating on smaller projects and gardening during the quarter.

“As the largest improvement player, Home Depot is

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